Michael Rosenbaum

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Now starring on Fox's "Breaking In," Rosenbaum has enjoyed a successful career as a voice actor on animated' shows such as "Justice League" and "Teen Titans." And, as fans demanded, "Smallville"'s former Lex Luthor is expected to make an appearance in the series finale.

Now starring on Fox's "Breaking In," Rosenbaum has enjoyed a successful career as a voice actor on animated' shows such as "Justice League" and "Teen Titans." And, as fans demanded, "Smallville"'s former Lex Luthor is expected to make an appearance in the series finale.